Question

In a class of 42 students,3/7 of them are boys . how many girls are there in the class

Answer 1

total students = 42
boys = 3/7 = 42 of 3/7 = 42 * 3/7 = 18
boys = 18
remaining is girls = students - boys
          = 42 - 18 = 24

girls = 24

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Answer 2

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